<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card>
      <el-row gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--table表格区域-->
      <el-table :data="goodlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: "List",
  data() {
    return {
      /*查询参数对象*/
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      /*商品列表*/
      goodlist: [],
      /*总数据条数*/
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    /*根据分页获取对应的商品列表*/
    getGoodsList: async function () {
      const {data: res} = await this.$http.get('/goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败")
      }
      this.$message.success("获取商品列表成功")
      this.goodlist = res.data;
      total = res.data.total

    }
  },
  handleSizeChange(newSize) {
    this.queryInfo.pagesize = newSize
    this.getGoodsList()
  },
  handleCurrentChange() {
    this.queryInfo.pagenum = newPage
    this.getGoodsList()
  },
  async removeById(id) {
    const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    }).catch(err => err)

    if(confirmResult!=='confirm'){
      return this.$message.info('已经取消删除！')
    }
    const {data: res} = await this.$http.delete('/goods/${id}')
    if(res.mete.status !== 200){
      return this.$message.error('删除失败！')
    }
    this.$message.success('删除成功！')
    this.getGoodsList()
  },
  goAddPage() {
    this.$router.push('/goods/add')
  }
}
</script>

<style scoped>

</style>
